Finding the Third Proportional to 120,743,983 and 188,290,436

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743,983 : 188,290,436 = 188,290,436 : x
2. Step 2: Convert to fraction form
   120,743,983/188,290,436 = 188,290,436/x
3. Step 3: Cross multiply
   120,743,983x = 188,290,436 × 188,290,436
4. Step 4: Simplify right side
   120,743,983x = 35,453,288,289,070,096
5. Step 5: Solve for x
   x = 35,453,288,289,070,096/120,743,983
6. Step 6: Final answer
   x = 293,623,644.08